The onset of a long-range ferromagnetic order in an ensemble of small ferromagnetic particles

The onset of a long-range ferromagnetic order in an ensemble of small ferromagnetic particles

Magnetic, X-ray and small-angle neutron scattering data obtained for the decomposed alloy Cu sub 64 Mn sub 9 Al sub 27 are used to show that the onset of long-range ferromagnetic order in a system of small superparamagnetic particles dissolved in a nonmagnetic matrix is attributable to cooperative o...

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Veröffentlicht in:Materials science forum 2000-06, Vol.373-376, p.145-148
Hauptverfasser: Takzei, G A, Mirebeau, I, Gun'ko, L P, Surzhenko, O B, Cherepov, S V, Troschenkov, Y N
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Sprache:eng
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Zusammenfassung:Magnetic, X-ray and small-angle neutron scattering data obtained for the decomposed alloy Cu sub 64 Mn sub 9 Al sub 27 are used to show that the onset of long-range ferromagnetic order in a system of small superparamagnetic particles dissolved in a nonmagnetic matrix is attributable to cooperative ordering of their magnetic moments.
ISSN:0255-5476